The following Federal Register notices discuss rule changes and corrections that are part of the Phase II/V Rule.​

• Alternate Nitrate MCL of 20 mg/L: Interim Primary Drinking Water Regulations; Amendments (Final Rule) (PDF) (1 pg, 38 K, About PDF)
• Nickel Remand: National Pollutant Discharge Elimination System and Pretreatment Programs; State and Local Assistance Programs; Effluent Limitations Guidelines and Standards; Public Water Supply and Underground Injection Control Programs: Removal of Lega (PDF)(8 pp, 434 K, About PDF)
• Arsenic Rule Effective Date Delay: National Primary Drinking Water Regulations; Arsenic and Clarifications to Compliance and New Source Contaminants Monitoring: Delay of Effective Date (PDF)(9 pp, 194 K, About PDF)
• Arsenic Rule Clarification: Minor Clarification of National Primary Drinking Water Regulation for Arsenic (Final Rule) (PDF)(6 pp, 178 K, About PDF)

• Correction: National Primary Drinking Water Regulations; Synthetic Organic Chemicals; Monitoring for Unregulated Contaminants; Correction (PDF)(5 pp, 2 MB, July 1, 1988, 53 FR 25108 – 25111)
  Drinking Water Regulations: Federal Register Notice, July 1, 1988
• Aldicarb, Aldicarb Sulfoxide, and Aldicarb SuIfone (Notice of postponement of certain portions of final rule.) (PDF)(18 pp, 8 MB, May 27, 1992)
  57 FR 22178 – 22179